Finding the Fourth Proportional to 169,197.60, 253,821.91 and 73,161.09
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Solution
The fourth proportional to 169,197.60, 253,821.91 and 73,161.09 is: 109,752.67
Step by Step Solution
- Step 1: Write the proportion equation
169,197.60 : 253,821.91 = 73,161.09 : x - Step 2: Convert to fraction form
169,197.60/253,821.91 = 73,161.09/x - Step 3: Cross multiply
169,197.60x = 253,821.91 × 73,161.09 - Step 4: Simplify right side
169,197.60x = 18,569,887,601.48 - Step 5: Solve for x
x = 18,569,887,601.48/169,197.60 - Step 6: Final answer
x = 109,752.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.